The Priority Review

Clinical trials Brief

GlaxoSmithKline registers phase 3 trial of mRNA seasonal influenza vaccine

This study was first posted on ClinicalTrials.gov on October 1, 2026. The trial plans to enroll 3000 participants and aims to evaluate the immunogenicity, reactogenicity and safety of an mRNA-based seasonal influenza vaccine in adults 18-64 years of age.

Primary source

ClinicalTrials.gov registry record, October 1, 2026

A Study to Evaluate the Immune Response and Safety of a Vaccine Against Influenza in Adults 18-64 Years of Age

Read the source: A Study to Evaluate the Immune Response and Safety of a Vaccine Against Influenza in Adults 18-64 Years of Age clinicaltrials.gov

Machine-summarized from the source above; not independently reported. How we use automation